Home / 155,539.80-232,872.30-139,793.40

Finding the Fourth Proportional to 155,539.80, 232,872.30 and 139,793.40

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Solution

The fourth proportional to 155,539.80, 232,872.30 and 139,793.40 is: 209,296.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,539.80 : 232,872.30 = 139,793.40 : x
  2. Step 2: Convert to fraction form
    155,539.80/232,872.30 = 139,793.40/x
  3. Step 3: Cross multiply
    155,539.80x = 232,872.30 × 139,793.40
  4. Step 4: Simplify right side
    155,539.80x = 32,554,010,582.82
  5. Step 5: Solve for x
    x = 32,554,010,582.82/155,539.80
  6. Step 6: Final answer
    x = 209,296.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.